Table 3 Cerebral oxygen saturation (crSO₂) and cerebral fractional oxygen extraction (cFTOE) of 13 preterm neonates of the adverse outcome group and 29 preterm neonates of the favorable outcome group. Data are presented as estimated means (95%CI)

Cerebral oxygen saturation (%)

crSO₂ min 2

23 (13-34)

41 (34-48)

0.008*

crSO₂ min 3

27 (16-38)

45 (37-52)

0.007*

crSO₂ min 4

31 (21-42)

49 (42-56)

0.006*

crSO₂ min 5

42 (32-53)

54 (47-61)

0.072

crSO₂ min 6

50 (40-60)

59 (53-66)

0.145

crSO₂ min 7

51 (41-61)

65 (58-71)

0.029*

crSO₂ min 8

55 (45-66)

68 (61-75)

0.046*

crSO₂ min 9

60 (50-70)

70 (63-77)

0.118

crSO₂ min 10

59 (48-69)

73 (66-79)

0.027*

crSO₂ min 11

63 (53-73)

75 (68-81)

0.067

crSO₂ min 12

63 (52-73)

75 (69-82)

0.043*

crSO₂ min 13

61 (50-71)

74 (67-81)

0.033*

crSO₂ min 14

63 (52-73)

76 (69-83)

0.041*

crSO₂ min 15

62 (52-73)

78 (71-85)

0.017*

Cerebral fractional oxygen extraction

cFTOE min 2

0.545 (0.431-0.659)

0.380 (0.305-0.455)

0.018*

cFTOE min 3

0.509 (0.398-0.620)

0.345 (0.273-0.418)

0.016*

cFTOE min 4

0.500 (0.392-0.607)

0.286 (0.215-0.358)

0.001*

cFTOE min 5

0.421 (0.317-0.525)

0.286 (0.216-0.356)

0.035*

cFTOE min 6

0.369 (0.268-0.470)

0.281 (0.212-0.350)

0.157

cFTOE min 7

0.394 (0.292-0.496)

0.225 (0.157-0.293)

0.007*

cFTOE min 8

0.373 (0.269-0.477)

0.212 (0.144-0.280)

0.011*

cFTOE min 9

0.314 (0.209-0.419)

0.200 (0.132-0.268)

0.075

cFTOE min 10

0.350 (0.242-0.457)

0.185 (0.117-0.252)

0.011*

cFTOE min 11

0.309 (0.200-0.417)

0.175 (0.108-0.242)

0.040*

cFTOE min 12

0.297 (0.189-0.404)

0.170 (0.103-0.238)

0.051

cFTOE min 13

0.338 (0.231-0.445)

0.173 (0.104-0.241)

0.012*

cFTOE min 14

0.313 (0.205-0.420)

0.161 (0.093-0.230)

0.021*

cFTOE min 15

0.289(0.181-0.397)

0.145 (0.076-0.215)

0.028*